Average Co-Inventor Count = 3.32
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Prinx Chengshan (qingdao) Industrial Research and Design Co., Ltd. (2 from 13 patents)
2. Qingdao University of Technology (1 from 145 patents)
3 patents:
1. 11193865 - P-y curve-based element test device and test method
2. D934156 - Vehicle tire
3. D901375 - Tire